Question

When trees are cut, the amount of oxygen

• A. decreases
• B. increases
• C. Both A and B
• D. remain constant

Answer 1

The correct option is A

decreases

The correct option is A.

The explanation for the correct option:

1. Cutting down the trees is referred to as deforestation.
2. During photosynthesis, the photolysis of water releases the oxygen present in the environment.
3. The amount of oxygen present in the environment is released massively by plants.
4. Hence if we cut down the trees the amount of oxygen present in the environment will decrease.

Final answer: When trees are cut, the amount of oxygen decreases.